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TPS56838: single point net tie

Part Number: TPS56838

Tool/software:

Hi team 

The datasheet recomends to connect PGND and AGND with the single point net tie in inner layer, but here are some questions.

1. Could you tell where is the single point net tie in the Figure 7-18?

2. Is it recommnedation to connect  PGND and AGND with the single point net tie in inner layer?

3. According to the EVM user's guide, it mentions that the AGND and PGND are connected at a single point on the Middle layer 1. Could you tell where is the single point net tie in the Figure 4-6?

Regards,

Noriyuki Takahashi